Example usage for org.apache.hadoop.hdfs DFSClient getMissingBlocksCount

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs DFSClient getMissingBlocksCount.

Prototype

public long getMissingBlocksCount() throws IOException 

Source Link

Document

Returns count of blocks with no good replicas left.

Usage

From source file:org.openflamingo.fs.hdfs.HdfsFileSystemProvider.java

License:Apache License

@Override
public Map<String, Object> getFileSystemStatus(String type) {
    Map<String, Object> map = new HashMap();
    DFSClient dfsClient = null;
    try {// w  w  w  .  ja v  a2 s  . co m
        dfsClient = new DFSClient(fs.getConf());
        map.put("canonicalServiceName", fs.getCanonicalServiceName());
        map.put("defaultReplication", fs.getDefaultReplication());
        map.put("defaultBlockSize", fs.getDefaultBlockSize());
        map.put("workingDirectory", fs.getWorkingDirectory().toUri().getPath());
        map.put("homeDirectory", fs.getHomeDirectory().toUri().getPath());
        map.put("corruptBlocksCount", dfsClient.getCorruptBlocksCount());
        map.put("missingBlocksCount", dfsClient.getMissingBlocksCount());
        map.put("underReplicatedBlocksCount", dfsClient.getUnderReplicatedBlocksCount());
        map.put("capacity", dfsClient.getDiskStatus().getCapacity());
        map.put("used", dfsClient.getDiskStatus().getDfsUsed());
        map.put("remaining", dfsClient.getDiskStatus().getRemaining());
        map.put("deadNodes", dfsClient.namenode.getDatanodeReport(FSConstants.DatanodeReportType.DEAD).length);
        map.put("liveNodes", dfsClient.namenode.getDatanodeReport(FSConstants.DatanodeReportType.LIVE).length);
        map.put("humanCapacity", byteDesc(dfsClient.getDiskStatus().getCapacity()));
        map.put("humanUsed", byteDesc(dfsClient.getDiskStatus().getDfsUsed()));
        map.put("humanProgressPercent", formatPercent((double) dfsClient.getDiskStatus().getRemaining()
                / (double) dfsClient.getDiskStatus().getCapacity(), 2));
        map.put("humanProgress", (float) dfsClient.getDiskStatus().getRemaining()
                / (float) dfsClient.getDiskStatus().getCapacity());
        map.put("humanRemaining", byteDesc(dfsClient.getDiskStatus().getRemaining()));
        map.put("humanDefaultBlockSize", byteDesc(fs.getDefaultBlockSize()));
        dfsClient.close();
        return map;
    } catch (Exception ex) {
        throw new FileSystemException(bundle.message("S_FS", "CANNOT_ACCESS_FS_STATUS"), ex);
    } finally {
        IOUtils.closeQuietly(dfsClient);
    }
}

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